Finding the Fourth Proportional to 56,168,875.80, 84,253,313.70 and 48,610,603.80
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Solution
The fourth proportional to 56,168,875.80, 84,253,313.70 and 48,610,603.80 is: 72,915,905.70
Step by Step Solution
- Step 1: Write the proportion equation
56,168,875.80 : 84,253,313.70 = 48,610,603.80 : x - Step 2: Convert to fraction form
56,168,875.80/84,253,313.70 = 48,610,603.80/x - Step 3: Cross multiply
56,168,875.80x = 84,253,313.70 × 48,610,603.80 - Step 4: Simplify right side
56,168,875.80x = 4,095,604,451,107,812 - Step 5: Solve for x
x = 4,095,604,451,107,812/56,168,875.80 - Step 6: Final answer
x = 72,915,905.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.